body{
    width: 100%;
    height: 800px;
    margin: 0 0 0 0;
    background-color: #eeeeee;
}

#headDiv{
    width: 100%;
    height: 60px;
    background-color: darkcyan;
    color: #ffffff;
    font-size: 36px;
}

#divLeftTop{
    width: 45%;
    height: 450px;
    float: left;
    margin-left: 40px;
    margin-top: 30px;
}

#divRightTop{
    width: 45%;
    height: 450px;
    float: right;
    margin-right: 40px;
    margin-top: 30px;
}